“State of Play: Brain Injuries and Diseases of Aging,” a hearing held June 25, 2014 (witness statements avialable in .pdf format, full video of the hearing available at the site, running time 1 hour 28 minutes). Note: The hearing begins at the 16:01 mark.
www.aging.senate.gov/hearings/state-of-play-brain-injuries-and-diseases-of-aging